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Tire Tech Information - Tire Size Guide


…with a letter or letters that identify the type of vehicle and/or type of service for which they were designed. The common indicators are as follows: P225/50R16 91S P = When a tire size begins with a "P," it signifies the tire is a "P-metric" size that was designed to be fitted on vehicles that are primarily…

Related Products: Rim Size Chart | What Size Rim Will Fit My Tire | Rim Width Chart
 

Tire Construction Differences.


Recently I had a customer send me a question asking about the differences between a P-metric listed tire, (i.e. P225/45-17), and one without the P in the size, (i.e. 225/45-17). So I thought this would be a good topic to post a quick blog about. To understand the differences in these types of tires…

Related Products: Bias Ply Tires | Tire Size Interchange | Bias Ply
 

Tire Tech Information - Air Pressure vs. Dry Performance


…conducted a Performance Test Track Drive, comparing properly inflated tires to purposely underinflated tires. We used 2003 BMW 330Ci coupes, and installed P225/50R16 tires on 16x7.5" wheels. We tested new, full tread depth tires. We chose Goodyear Eagle GT-HR High Performance All-Season radials that were developed…

Related Products: Low Profile Tire Pressure | Goodyear Eagle 1 Nascar Tires | Goodyear Eagle Gt-hr
 

Tire Tech Information - P-Metric and Euro-Metric Tire Sizing


…between the tire sizes of P225/60R16 and 225/60R16? The obvious answer is the "P" in front of the first size, but just what does the "P" stand for and what does it tell us about the tires? P-metric sized tires are the ones with the "P" at the beginning of the tire size, (such as P225/60R16 listed above).…

Related Products: What Does The P Stand For | 185r14 | Load Inflation Table
 

Tire Tech Information - Tire Specs Explained: Rim Width Range for Street/Highway Tires


…combined 235/40R17 sized tires on 17x7.5" rims (which are 0.5" less than the narrowest 8.0" wide rim listed for the size). Corvette C3 models combined P225/70R15 sized tires on 15x8" rims (which are 0.5" wider than the 7.5" wide rim now listed for the size). Corvette C4 models combined P255/50R16 sized…

Related Products: Rim Width Chart | Tire Width Vs Wheel Width | Rim Width Tire Size
 

Tire Size Conversion Chart


…7.50-14 7.75-14 F 195R14 P205/75R14 215/70R14 235/60R14 8.00-14 8.25-14 G 205R14 P215/75R14 225/70R14 245/60R14 265/50R14 8.50-14 8.55-14 H 215R14 P225/75R14 9.00-14 J 225R14 9.50-14 L 5.60-15 A 155R15 P155/80R15 185/65R15 195/60R15 6.00-15 B 165R15 P165/80R15 185/70R15 195/65R15 205/60R15 225/50R15…

Related Products: Equivalent Tire Sizes | Tire Size Interchange | Tire Conversion Chart
 

Tire Tech Information - Tire Specs Explained: Measuring Rim Width


…P175/75R14 5.0" P195/75R15 5.5" P215/75R15 6.0" P235/75R15 6.5" Tire Size Measuring Rim Width P225/75R15 6.0" P225/70R15 6.5" P225/65R16 6.5" P225/60R15 6.5" P225/55R15 7.0" P225/50R15 7.0" P225/45R17 7.5" P225/40R18 8.0" The assigned measuring rim width changes with the tire size's section width and with…

Related Products: Rim Size Chart | Rim Width Chart | Tire Width Vs Wheel Width
 

Winter Tech - Air Pressure vs. Dry Performance


…conducted a Performance Test Track Drive, comparing properly inflated tires to purposely underinflated tires. We used 2003 BMW 330Ci coupes, and installed P225/50R16 tires on 16x7.5" wheels. We tested new, full tread depth tires. We chose Goodyear Eagle GT-HR High Performance All-Season radials that were developed…

Related Products: P225 50r16
 
Related Categories: What Size Rim Will Fit My Tire | What Does The P Stand For | Tire Size Interchange | Equivalent Tire Sizes | Rim Width Tire Size | Size | Low Profile Tire Pressure | Rim Size Chart | Bias Ply Tires | Rim Width Chart
 


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